| Number | Begin | End | Name |
| 38 | November 2024 | | Alex Llamas |
| 37 | October 2024 | November 2024 | Jacob D. Cox |
| 36 | July 2024 | October 2024 | Michael M. Clark |
| 35 | April 2024 | June 2023 | Bailey D. Kirkland |
| 34 | December 2023 | April 2024 | William R. Dillard |
| 33 | December 2022 | December 2023 | Mr. Tyler J. Mullins |
| 32 | December 2021 | December 2022 | William R. Dillard |
| 31 | January 2021 | December 2021 | Patrick W. Tanke |
| 30 | October 2018 | January 2021 | Dan L. Felder |
| 29 | November 2017 | October 2018 | Lane H. Edwards |
| 28 | December 2016 | November 2017 | Thomas C. Tuchschmidt III |
| 27 | November 2015 | December 2016 | David M. Bullington |
| 26 | December 2014 | November 2015 | AJ J. Montoya |
| 25 | December 2013 | December 2014 | Joseph Meadows |
| 24 | December 2012 | December 2013 | AJ J. Montoya |
| 23 | January 2012 | December 2012 | Johnson Hagood |
| 22 | December 2010 | January 2012 | Samuel Stover |
| 21 | December 2009 | December 2010 | Andrew Hammac |
| 20 | April 2009 | December 2009 | Jason Klug |
| 19 | January 2009 | April 2009 | Matthew Simon |
| 18 | December 2008 | January 2009 | Ben Bowen |
| 17 | January 2008 | December 2008 | Charlie J. Song |
| 16 | January 2007 | January 2008 | Jonathan M. Higley |
| 15 | January 2006 | January 2007 | Evan Armstrong |
| 14 | January 2005 | January 2006 | Dr. David P. Adams PhD |
| 13 | December 2003 | January 2005 | Christopher R Estrada |
| 12 | January 2003 | December 2003 | Justin Wells |
| 11 | December 2001 | January 2003 | Mr. Aaron D. Grunden |
| 10 | January 2001 | December 2001 | Roy A Sanders |
| 9 | January 2000 | January 2001 | Jeremy S. Dean |
| 8 | March 1999 | January 2000 | Stephen S Sawyer |
| 7 | March 1998 | March 1999 | Mr. Douglas J. Butler |
| 6 | February 1997 | March 1998 | Shane P. McTigue |
| 5 | November 1995 | February 1997 | John R. Sherman |
| 4 | February 1995 | November 1995 | Alex C. Panos |
| 3 | February 1994 | February 1995 | Bob M. Buhl |
| 2 | February 1992 | February 1993 | Richard C. Kittrell |
| 1 | January 1985 | December 1985 | Doug R. Carter |